Home / 61,193.28-91,789.92-19,669.44

Finding the Fourth Proportional to 61,193.28, 91,789.92 and 19,669.44

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Solution

The fourth proportional to 61,193.28, 91,789.92 and 19,669.44 is: 29,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,193.28 : 91,789.92 = 19,669.44 : x
  2. Step 2: Convert to fraction form
    61,193.28/91,789.92 = 19,669.44/x
  3. Step 3: Cross multiply
    61,193.28x = 91,789.92 × 19,669.44
  4. Step 4: Simplify right side
    61,193.28x = 1,805,456,324.04
  5. Step 5: Solve for x
    x = 1,805,456,324.04/61,193.28
  6. Step 6: Final answer
    x = 29,504.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.